搜索结果: 1-10 共查到“化学工程 rapid”相关记录10条 . 查询时间(0.034 秒)
Rapid and Accurate Determination of Stern-Volmer Quenching Constants
fluorescence quenching instrumentation Polycyclic aromatic hydrocarbons
2015/1/7
In this work, a novel system has been designed, characterized, and validated for the determination of fluorescence quenching constants. Capillary flow injection methods are used to automate the prepar...
Thiourea dioxide: An efficient and reusable organocatalyst for the rapid one-pot synthesis of pyrano[4, 3-b]pyran derivatives in water
Pyrano[4,3-b]pyran Thiourea dioxide 4-Hydroxy-6-methylpyran-2-one One-pot synthesis
2014/3/11
A series of pyrano[4,3-b]pyran derivatives have been synthesized in excellent yields by the reaction of aromatic aldehydes with malononitrile or cyanoacetate and 4-hydroxy-6-methylpyran-2-one in water...
Tetrabutylammonium hexatungstate [TBA]2[W6O19]: Novel and reusable heterogeneous catalyst for rapid solvent-free synthesis of polyhydroquinolines via unsymmetrical Hantzsch reaction(图)
Heterogeneous catalysis Polyhydroquinolines Tetrabutylammonium hexatungstate
2013/9/26
A novel, efficient, and environmentally friendly method for the synthesis of polyhydroquinoline derivatives by a one-pot, four-component unsymmetrical Hantzsch condensation of dimedone, aldehydes, eth...
Rapid nonenzymatic monitoring of glucose and fructose using a CuO/multiwalled carbon nanotube nanocomposite-modified glassy carbon electrode(图)
Nonenzymatic detection Copper oxide Multiwalled carbon nanotube Modified glassy carbon electrode Glucose Fructose Simultaneous determination
2013/9/26
A nonenzymatic electrochemical sensor for glucose and fructose was fabricated that contained a glassy carbon electrode modified with a copper oxide (CuO)/multiwalled carbon nanotube (MWCNT) nanocompos...
Rapid conversion of cellulose to 5-hydroxymethylfurfural using single and combined metal chloride catalysts in ionic liquid
Microcrystalline cellulose ionic liquids 5-hydroxyfurfural metal chlorides
2014/4/10
Direct conversion of cellulose into 5-hydroxymethylfurfural (HMF) was performed by using single or combined metal chloride catalysts in 1- ethyl-3-methylimidazolium chloride (Cl) ionic liquid. Our stu...
A Rapid and Green Method for Solvent-Free Synthesis of 1,8-Dioxodecahydroacridines Using Tetrabutylammonium Hexatungstate as a Reusable Heterogeneous Catalyst(图)
1,8-dioxodecahydroacridine solvent-free condition tetrabutylammonium hexatungstate
2013/10/4
Tetrabutylammonium hexatungstate, [TBA]2[W6O19], has been used as an efficient, inexpensive, and recyclable green catalyst for the one-pot three-component synthesis of 1,8-dioxodecahydroacridines by t...
Soft brown coals of the open coal fields of Kolubara and Kostolac are the main domestic energy sources of Serbia. This paper presents the results of investigations on rapid devolatilization of these t...
A rapid method to determine diffusion coefficients of counter-ions in an ion-exchange membrane
ion-exchange membrane diffusion coefficient Donnan dialysis
2009/4/28
A rapid method to determine diffusion coefficients of counter-ions in an ion-exchange
membrane.
Study on the diffusion of Cu2+-H+ couple in a cation exchange membrane-A rapid method to determine self-diffusion coefficients of counter-ions with unequal valence
ion-exchange membrane diffusion coefficient
2009/3/25
Study on the diffusion of Cu2+-H+ couple in a cation exchange membrane-A rapid method to determine self-diffusion coefficients of counter-ions with unequal valence.
Rapid Thermal Annealing and Hydrogen Passivation of Polycrystalline Silicon Thin-Film Solar Cells on Low-Temperature Glass
Silicon Thin-Film Solar Cells Low-Temperature Glass
2008/10/30
The changes in open-circuit voltage (Voc), short-circuit current density (Jsc), and internal quantum efficiency (IQE) of aLuminum induced crystallization, ion-assisted deposition (ALICIA) polycrystall...